Update app.py

app.py

@@ -22,6 +22,7 @@ def read_sql_query(sql, db):
 def main():
     st.title("Conversational AI: Text-2-SQL")
 
+    column_info = df.dtypes.to_dict()
     column_df = pd.DataFrame(column_info.items(), columns=['Column Name', 'Data Type'])
     st.sidebar.table(column_df)